NEWBIE. Problems with port numbers?

[Korfu]

Hey i have had my coppermine up and running flawlessly for about a month when i was at school.  Now that im back home people can no longer upload.  I think it is because i am behind a router and may not have all the ports forwarding properly.  So what ports are required for coppermine to work?

80 - IIS
3306 -MySQL(?)

anything else, and do i need to even forward the MySQL?  People can log in and view files but they cannot upload.

Thanks in advance
Brett

[Nibbler]

Not related to port numbers. Follow the upload troubleshooting guide in the docs.